
The ratio of Volvo sales in Q2 to Mercedes sales in Q1 is:
\[ \text{Ratio} = \frac{1600}{800} = 2:1 \]
The correct answer is 2:1.

In a sequence of numbers, each term is generated by multiplying the previous term by 2 and then subtracting 1. If the first term is 3, what is the fourth term in the sequence?
A pie chart shows the distribution of students across 5 faculties in a university. If 20% are in Arts, 25% in Science, 15% in Law, 30% in Engineering, and the rest in Commerce, what is the angle (in degrees) for Commerce?